Heat sink for a lamp



FIG. 1 is a perspective view of the new design for a heat sink for a lamp as seen from the front, top;

FIG. 2 is a rear perspective view as seen from the rear, side thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a rear plan view thereof.

FIG. 6 is a perspective view of the second embodiment of the new design for a lamp as seen from the front, top;

FIG. 7 is a rear perspective view of the second embodiment as seen from the rear, side thereof;

FIG. 8 is a side elevational view of the second embodiment;

FIG. 9 is a top plan view of the second embodiment; and,

FIG. 10 is a rear plan view of the second embodiment.

The broken line disclosure is for environmental purposes only and does not form a part of the claimed design. 

CLAIM The ornamental design for a heat sink for a lamp, as shown and described. 